Idle Adjustment not working - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 6 (permalink) Old 07-29-2010, 12:04 PM Thread Starter
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Idle Adjustment not working

Hi All,
I have 94 VN 750,runs great EXCEPT cannot adjust the idle. The Bike runs great but I need to keep it choked about halfway to insure I stay running. If I open the the choke fully the bike stalls. I have cleaned the idle needles and run Seafoam through the Carbs to insure nothing is sticking.
When I try to adjust the idle, nothing chnages no decrease no increase.... could the idle adjustment become stripped?? Or maybe a vacuum leak??
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post #2 of 6 (permalink) Old 07-29-2010, 12:40 PM
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I just went out and checked my bike and you can see the shaft just behind the knob turn if it is not stripped. If it does turn, get on the right side of the bike and under where the throttle cables attach at bottom of carbs. You can see a spring that will compress or decompress as you turn the knob on the left. The adjuster may not be connected properly, or not at all

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post #3 of 6 (permalink) Old 07-29-2010, 08:16 PM Thread Starter
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Well thats not the issue....Thanks for reply, I checked the adjustment from the right side of the bike... and was able to see the screw moving and adjusting the throttle the way it should...... The issue now... the idle screw is set all the way in, and I still cant take the choke off all the way. The choke needs to saty on at least half way for the bike to stay running.... Help please!!
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post #4 of 6 (permalink) Old 07-29-2010, 08:42 PM
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I think the carbs may be dirty. Can't think of anyting else that would require choke all the time, unless the throttle cables aren't adjusted properly. Try Sea Foam in the gas. Initially about 1/2 can in a tank of fresh gas. Then ride it like you stole it.

I'm keepin' all the left over parts. I'm gonna use 'em to build another bike!
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1989 VN750 acquired December, 2008, 6,711 miles
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post #5 of 6 (permalink) Old 07-30-2010, 03:23 AM
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Ride it like you stole it! X2!

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post #6 of 6 (permalink) Old 08-03-2010, 11:43 AM
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mine had a similar problem i was told to rip on it and thats what i did , now it fixed it self . i also added sea foam every time i added fuel

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